Found 64,920 clinical trials
Natural History Study of Parathyroid Disorders
Background Parathyroid disorders are very common in the general population and include disorders of parathyroid excess, deficiency, or defects in parathyroid hormone (PTH) signaling. PTH, the main secretory product of parathyroid glands is responsible for regulation of calcium-phosphate homeostasis. Objective i) To investigate the cause of parathyroid disorders ii) To …
Collecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung Cancer
RATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors learn more about changes that may occur in RNA and identify biomarkers related to cancer. PURPOSE: This research study is collecting and analyzing lung tissue samples from patients undergoing surgery for non-small cell lung …
Immune Monitoring and Assay Development in Organ Transplant Recipients
The purpose of this study to develop a well-characterized library of blood, biopsy tissue, and urine samples from transplant patients. Subjects without transplants will also be enrolled for comparison. Samples will be used to study the characteristics of patients undergoing transplantation that influence their response to transplant therapies and their …
Personalized Prediction of Persistent Postsurgical Pain
P5 is planned as a prospective observational study, collecting evidence-based perioperative data on patient history and demographics, physical function, cognitive measures, psychological, and biological markers associated with increased pain susceptibility, and psychophysical measures of pain processing. The study will use daily ecologic momentary assessment (EMA) of physical and emotional parameters, …
The Alterations of Metabolic Adipo-myokines and Body Composition in End Stage Lung Cancer
The investigators conduct this prospective study and wish to elucidate the association of serial change of body composition, serum adipo-myokines and adverse effect of chemotherapy and lung cancer prognosis
Prospective Comprehensive Molecular Analysis of Endocrine Neoplasms
Background Endocrine neoplasms (tumors) are among the fastest growing tumors in incidence in the United States. Furthermore, it is often difficult to distinguish between benign or malignant tumors in cancers of the thyroid, parathyroid, adrenal gland, and pancreas. More research is needed to improve detection and treatment options for patients …
Data Collection of Patients Admitted to the Stroke Unit
The purpose of this prospective observational study is to create a database in which data will be collected from every patient admitted to the Stroke unit and who has explicitly given his or her informed consent for this data collection. The data that will be collected are part of the …
Characteristics of Injury Claims by Chronic Pain Patients
Chronic pain is associated with injuries and disabilities. This prospective observational study explores the injury or disability claims made by chronic pain patients. It evaluates the socio-demographics of the patient population. It explores the impact of pain clinic services on the patients' injury rehabilitation, insurance claim outcome, and socioeconomic situation.
Cohort Study in Fujian Province
In this study, Chinese residents aged 35 to 75 years old were recruited from Fujian Province. Physical examination, questionnaire survey and biological sample collection were performed at baseline, and at least 4 years of follow-up were conducted. Information on newly discovered cardiovascular metabolic illnesses and comorbidities was collected during follow-up, …
Quality of Life, Lifestyle, and Psychosocial Factors in Patients With Melanoma
This study investigates the extent to which lifestyle factors including mental health, social support, diet, and exercise are associated with quality of life and melanoma patient outcomes. Knowledge gained from this study may be used to guide the design of prospective clinical trials of lifestyle interventions to improve the outcomes …